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Dale W. McNeal

Perennial herb; corm deep, outer coat fibrous. Stem: 1, erect, ± zigzag. Leaf: mostly basal, linear [to lanceolate], sheathing. Inflorescence: panicle, in smaller plants raceme; bracts scarious. Flower: perianth parts 6 in 2 petal-like whorls, free or fused, often reflexed; stamens 6, fused to perianth parts, alternate 6 staminodes, anthers attached at base; ovary superior, chambers 3, style 1, stigma ± 3-lobed. Fruit: capsule, loculicidal. Seed: 3, brown.
9 genera: 23 species: western United States, Africa, Chile. —Scientific Editor: Thomas J. Rosatti.
Unabridged etymology: (Based on the genus Tecophilaea Bertero ex Colla, named for Tecophila Billotti, botanical artist and daughter of Italian botanist Luigi Aloysius Colla (1766–1848), credited with publishing the genus name)


1 sp. (Greek: tooth mouth, from staminodes ± at top of perianth tube)

O. hartwegii Torr.
Corm 2.5–3 cm, ± ovoid. Stem: ± scapose, 12–50 cm, ± curved, generally branched. Leaf: 10–30 cm; upper reduced. Inflorescence: bracts 3–10 mm, linear; pedicel 3–30 mm, with scarious bractlet above middle. Flower: perianth parts fused below, petal-like, white to ± yellow, tube 4–5 mm, strongly veined, lobes ± = tube, spreading, reflexed in age, 3–7-veined; stamens 6, filaments 1–2 mm, staminodes 0.5–1 mm, anthers dehiscing by pores at tip; style 4–5 mm, thread-like. Seed: obovoid.
n=10. Clay, often serpentine soils; < 600 m. Klamath Ranges, Inner North Coast Ranges, Cascade Range, n&c Sierra Nevada Foothills. Apr–May [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Nov 25 2015
Citation for this treatment: [Author of taxon treatment] 2013. Odontostomum, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Nov 25 2015

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click for enlargement Odontostomum hartwegii
See CalPhotos for additional images
2006 Dr. Mark S. Brunell

Geographic subdivisions indicated for the distribution of Odontostomum hartwegii Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.